*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.header{
    width: 100%;
    height: 40px;
    background-color: #333;
    color: #fff;
}
.header a{
    width: 600px;
    font-size: 14px;
    margin:0 10px;
    line-height: 40px;
    text-decoration: none;
    /* background-color: aliceblue; */
    color: #fff;
}
.header-left{
    width: 750px;
    /* background-color: aqua; */
    margin-left: 60px;
}
.logo img:nth-child(1){
    margin-left: 130px;
    margin-top: 20px;
}
.nav{
    width: 750px;
    display: flex;
    justify-content: space-between;
    margin-left: 340px;
    margin-top: -45px;
}
.nav ul{
    display: flex;
    justify-content: space-between;
    list-style-type: none;
}
.nav li{
    margin-left: 20px;
}
.banner img{
    width: 991px;
    height: 460px;
    margin-top: 40px;
    margin-left: 350px;
}
.nav-list{
    display: flex;
    justify-content: space-between;
    width: 220px;height: 460px;
    background-color: #2c505f;
    list-style-type: none;
    margin-top: -463px;
    margin-left: 130px;
}
.nav-list ul{
    list-style-type: none;
}
.nav-list li{
    display: flex;
    justify-content: space-between;
    margin-top: 22px;
    margin-bottom: 28px;
    margin-left: 40px;
    margin-right: 50px;
    font-size: 12px;
    color: #fff;
}
.nav-list li img{
    position: absolute;
    width: 8px;
    height: 8px;
    margin-left: 140px;
    /* background-color: antiquewhite; */
    margin-right: -80px;
    margin-bottom: -5px;
}
.main{
    width: 100%;
}
.main img:nth-child(1){
    width: 300px;
    margin-left: 130px;
    margin-top: 10px;
}
.main img{
    width: 300px;
    margin-top: 10px;
}
/* 智能硬件 */
.fresh{
    background-color: #f5f5f5;
}
.fresh .title{
    display: flex;
    justify-content: space-between;
    width: 100%;
    /* height: 600px; */
    margin-top: 70px;
    padding-top:50px ;
    padding-left: 130px;
}
.fresh .title .left{
    font-size: 25px;
}
.fresh .title .right{
    display: flex;
    padding-top: 12px;
}
.fresh .title .right .more{
    text-decoration: none;
    color: black;
    margin-right: 130px;
}
/* 生鲜内容 */
.content {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
}
.content .left {
    width: 248px;
    height: 610px;
}
.content .left img{
    margin-left: 130px;
}
.content .right {
    height: 610px;
    margin-left: 130px;
}
.content .right img{
    width: 200px;
    height: 220px;
}
.content .right ul {
    display: flex;
    flex-wrap: wrap;
    list-style-type: none;
}
.content .right li {
    width: 242px;
    height: 300px;
    background-color: #fff;
    margin-right: 15px;
    margin-bottom: 5px;
}
.float{
    position: absolute;
    left: 480px;
    width: 40px;
    height: 15px;
    text-align: center;
    background-color: #ff850d;
    color: #fff;
    font-size: 10px;
}
.float2{
    position: absolute;
    left: 980px;
    width: 40px;
    height: 15px;
    text-align: center;
    background-color: #ff850d;
    color: #fff;
    font-size: 10px;
}
.float3{
    position: absolute;
    left: 990px;
    /* top:200px; */
    bottom:-550px;
    width: 40px;
    height: 15px;
    text-align: center;
    background-color: #e53935;
    color: #fff;
    font-size: 10px;
}
.content .right a{
    text-decoration: none;
}
.txt{
    margin-left: 80px;
}
.txt .info span{
    font-size: 13px;
    color: black;
    text-align: center;
}
.txt p{
    color: #c3bdba;
    font-size: 13px;
    margin-left: -40px;
}
/* 产品内容 */
.content .price span{
    margin-left: 60px;
    color: #ff850d;
    text-align: center;
}
.content .price .last{
    color: #c3bdba;
    text-decoration: line-through;
    margin-left: 10px;
}
.help {
    display: flex;
    justify-content: space-between;
    padding-top: 60px;
    height: 300px;
    width: 100%;
    margin-top: 40px;
    background-color: #fff;
}
.help .left{
    width:100%;
    display: flex;
    justify-content: center;
    margin-left: 20px;
    padding-top: 10px;
    border-right: 1px solid #E8E8E8;
}
.help .left dl{
    margin-right: 84px;
}
.help .left dt{
    position: relative;
    color: #333;
    font-size: 16px;
    margin-bottom: 30px;
    /* background-position: 0 22px;
    background-image: url(../images/icon14.png); */
}
.help .left dd{
    margin-bottom: 10px;
}
.help .left dd a{
    text-decoration: none;
    color: #969696;
}
.help .left dd .iconfont{
    color: #6bbfae;
}
.help .right{
    width: 400px;
    margin-right: 100px;
    margin-top: 20px;
}
.help .right ul{
    list-style-type: none;
}
.help .right ul li{
    padding-bottom:8px;
    text-align: center;
}
.help .right ul li:nth-child(1){
    font-size: 17px;
    color: #ff850d;
}
.bottom{
    position: relative;
    width: 100%;
    height: 150px;
    background-color: #f5f5f5;
}
.bottom img{
    margin-left: 130px;
    margin-top: 20px;
}
.bottom .bottom-right{
    position: absolute;
    width: 1000px;
    margin-left: 200px;
    margin-top: -60px;
}
.bottom .bottom-right a{
    text-decoration: none;
    color: black;
    margin:0 3px;
}
.bottom .bottom-right span{
    color: #999;
}
.bottom-last{
    display: flex;
    justify-content: center;
    margin-top: 20px;
    font-size: 18px;
    margin-bottom: 15px;
}